<template>
  <div class="app">
    <h3>我是App组件</h3>
    <Child/>
  </div>
</template>

<script>
import Child from './components/Child.vue'
export default {
  name: 'App',
  components: {
    Child,
  },
  setup() {
    return {
    }
  }
}
</script>

<style>
.app{
  background-color: gray;
  padding: 10px;
}
</style>
